The intl_is_failure() function is an inbuilt function in PHP which is used to check whether the given error code indicates failure.
Syntax:
bool intl_is_failure( $error_code )
Parameters: This function accepts single parameter $error_code which is a value that returned by the functions intl_get_error_code(), collator_get_error_code().
Return Value: If the code indicates some failure then it returns True and in case of success or a warning it returns False.
Below programs illustrate the intl_is_failure() function in PHP:
Program 1:
<?php // Function definition function check( $err_code ) { var_export( intl_is_failure( $err_code ) ); echo "\n"; } // Function call using error_code as parameter check( U_USING_FALLBACK_WARNING ); check( U_ILLEGAL_ARGUMENT_ERROR ); ?> |
Output:
false true
Program 2:
<?php // Function definition function check( $err_code ) { var_export( intl_is_failure( $err_code ) ); echo "\n"; } // Declare an array which contains error_code $arr = array( U_ZERO_ERROR, U_ILLEGAL_ARGUMENT_ERROR, U_USING_FALLBACK_WARNING, ); // Loop to call function foreach ($arr as $err) { // Check each element as // code point data check($err); } ?> |
Output:
false true false
Reference: https://www.php.net/manual/en/function.intl-is-failure.php
